We'd have you fallin' and now you scrapin' from that Kemba shake

from Wale (Ft. Meek Mill) – 100 Hunnit Lyrics on Rap Genius

Meaning

He’d have you on the floor like Kemba Walker, a basketball player for the Charlotte Bobcats. He used to play for the Huskies basketball team at the University of Connecticut and was the 2nd leading college basketball scorer in the United States and helped his team win the 2011 NCAA tournament.

More specifically:

http://www.youtube.com/watch?v=yyF6amZw82M

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